Home / 31,480,140.23-47,184,391.05-19,156,924.21

Finding the Fourth Proportional to 31,480,140.23, 47,184,391.05 and 19,156,924.21

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Solution

The fourth proportional to 31,480,140.23, 47,184,391.05 and 19,156,924.21 is: 28,713,588.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,480,140.23 : 47,184,391.05 = 19,156,924.21 : x
  2. Step 2: Convert to fraction form
    31,480,140.23/47,184,391.05 = 19,156,924.21/x
  3. Step 3: Cross multiply
    31,480,140.23x = 47,184,391.05 × 19,156,924.21
  4. Step 4: Simplify right side
    31,480,140.23x = 903,907,803,271,206.12
  5. Step 5: Solve for x
    x = 903,907,803,271,206.12/31,480,140.23
  6. Step 6: Final answer
    x = 28,713,588.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.